Base | Representation |
---|---|
bin | 1111011000011… |
… | …11000011000010 |
3 | 22222210201202222 |
4 | 13230033003002 |
5 | 231013131412 |
6 | 20445411042 |
7 | 3124535441 |
oct | 754170302 |
9 | 288721688 |
10 | 129036482 |
11 | 66924023 |
12 | 37269a82 |
13 | 2096c063 |
14 | 131ccd58 |
15 | b4dd072 |
hex | 7b0f0c2 |
129036482 has 4 divisors (see below), whose sum is σ = 193554726. Its totient is φ = 64518240.
The previous prime is 129036473. The next prime is 129036487. The reversal of 129036482 is 284630921.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 284630921 = 103 ⋅2763407.
It can be written as a sum of positive squares in only one way, i.e., 107516161 + 21520321 = 10369^2 + 4639^2 .
It is not an unprimeable number, because it can be changed into a prime (129036487) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32259119 + ... + 32259122.
Almost surely, 2129036482 is an apocalyptic number.
129036482 is a deficient number, since it is larger than the sum of its proper divisors (64518244).
129036482 is an equidigital number, since it uses as much as digits as its factorization.
129036482 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 64518243.
The product of its (nonzero) digits is 20736, while the sum is 35.
The square root of 129036482 is about 11359.4226085660. The cubic root of 129036482 is about 505.3250620954.
The spelling of 129036482 in words is "one hundred twenty-nine million, thirty-six thousand, four hundred eighty-two".
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